40009995

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 79073280

約数和(自身を除く): 39063285

約数列:

[1, 3, 5, 9, 15, 23, 29, 31, 43, 45, 69, 87, 93, 115, 129, 145, 155, 207, 215, 261, 279, 345, 387, 435, 465, 645, 667, 713, 899, 989, 1035, 1247, 1305, 1333, 1395, 1935, 2001, 2139, 2697, 2967, 3335, 3565, 3741, 3999, 4495, 4945, 6003, 6235, 6417, 6665, 8091, 8901, 10005, 10695, 11223, 11997, 13485, 14835, 18705, 19995, 20677, 28681, 30015, 30659, 32085, 38657, 40455, 44505, 56115, 59985, 62031, 86043, 91977, 103385, 115971, 143405, 153295, 186093, 193285, 258129, 275931, 310155, 347913, 430215, 459885, 579855, 889111, 930465, 1290645, 1379655, 1739565, 2667333, 4445555, 8001999, 13336665, 40009995]

約数ペア:

[(1, 40009995), (3, 13336665), (5, 8001999), (9, 4445555), (15, 2667333), (23, 1739565), (29, 1379655), (31, 1290645), (43, 930465), (45, 889111), (69, 579855), (87, 459885), (93, 430215), (115, 347913), (129, 310155), (145, 275931), (155, 258129), (207, 193285), (215, 186093), (261, 153295), (279, 143405), (345, 115971), (387, 103385), (435, 91977), (465, 86043), (645, 62031), (667, 59985), (713, 56115), (899, 44505), (989, 40455), (1035, 38657), (1247, 32085), (1305, 30659), (1333, 30015), (1395, 28681), (1935, 20677), (2001, 19995), (2139, 18705), (2697, 14835), (2967, 13485), (3335, 11997), (3565, 11223), (3741, 10695), (3999, 10005), (4495, 8901), (4945, 8091), (6003, 6665), (6235, 6417)]